英语数词导学案

1、英语导学案课题数词主备人 刘景艳学习目标（简单）能够正确的掌握基数词和序数词的用法。学习难点一、 基数词的用法 1基数词表示数量，后面一般接复数名词（“一”除外）。如：seven days2 十位与个位之间要加_。如: seventy-four3百位与十位之间要加_. 如: one hundred and twenty-five4英语用千、百万和十亿等单位计数，大数字从_向_看，每隔三位划一逗号，倒数第一个逗号之前要用_, 倒数第二个逗号之前要用_,倒数第三个逗号之前要用_表示。如：7,258,366,200可读为：seven billion, two hundred and fifty-ei

2、ght million, three hundred and sixty-six thousand,two hundred5 hundred、thousand、million、billion作数词时，不用_，前面可以加上one, two其他等其他数词。用作名词时复数表示“成上” ，后面必须要有_, 前面可以加上some, many, several等词。如：five hundred(五百), hundreds of(成百上千的), ten thousand(一万), thousands of(成千上万的), millions of(成百万的)6表示时间： 顺读法：点钟+分钟 如：2:05 _

3、_ 3:50 _ _ 逆读法： ( 1 ) 分钟_或_30，用“ past” ：分钟+past+点钟(几点过几分) 如：4:15 fifteen/ a quarter past four 6:30 half past six = thirty past six ( 2 ) 分钟_30分钟，用“to” ：分钟（60-分钟数）+to+(点钟+1) (几点差几分) 如：7:40 twenty to eight 8:45 a quarter to nine= fifteen to nine 整点的表达：点钟+oclock. 如：9:00 nine oclock7 编号的表达 _+_=the+序数词+名

4、词 如：Lesson One = the first lesson8 小数的表达：小数点用“point”.如：0.4 zero point four9 百分数的表达：分数用“_”.如：60% sixty percent10 与表示度量衡单位的词连用: 10米深/长/宽/高 ten metres deep/long/wide/tall二、序数词的用法1 序数词表示顺序，前面一般有“_”或代词修饰，后面一般接名词单数。如：Monday is the second day of the week. Today is his seventeenth birthday. 注意：a/an+序数词表示：又一

5、，再一(表示泛指) I have failed twice, but I want to try a third time.2 分数的表达：分子用_，分母用_，分子大于1，分母+_. 如：1/3 _ _ 3/4 _ _/ three quarters3 日期的表达 月-日- 年 如：It happened on January the second, 1990. It happened on January 2, 1990.三、其他重点表达 半小时 _ 半天 _ 两天半 _=two days and a half 一至两天 one or two days= one day or two 在20

6、世纪90年代 in the 1990s 在他30多岁 in his _ 一段步行5分钟的路程a five-minute walk=five minutes walk相应习题单项选择( )1. 333 reads _.A. three hundreds and thirty three B. three hundreds and thirty-threeC. three hundred and thirty-threeD. three hundred thirty-three( )2. The beautiful skirts are on show in the shop, Jane like

7、s_.A.the ninth B. the nineth C. nine D. ninth( )3. It took him_to finish his homework last night.A. one hour and half B. one and a half hoursC. one and a half hour D. one and half a hours( )4. Though he failed twice, he wanted to try_time.A. third B. a third C. the third D. three( )5. There are_stud

8、ents in their school.A. nine hundred B. nine hundreds C. nine hundred of D. nine hundreds of( )6. They are learning _now.A.Unit Eight B. the eight unit C. Unit Eighth D. Eighth unit( )7. His father began to learn English_.A.in his fifty B. in the fifties C. in his fifties D. on his fifties( )8. What

9、 was the date yesterday? It was _.A. a fine day B. Wednesday C. June 1st D. sunny( )9. It is said that_of the water around the world_polluted.A. two third: has B. two thirds: haveC. two third: are D. two thirds: is( )10. Did you know the earth is home to _animals?A. million B. millions C. million of

10、 D. millions of( )11. Computers began to enter Chinas market_.A. in 1980s B. in 1980s C. at the 1980s D. in the 1980s( )12. Which is right?A. June 25, 2009 B. 25th June, 2009C. June 25st, 2009 D. 2009, June 25( )13. Where is the head teacher? Maybe he is in_.A. the Two Room B. Rooms Two C. Room Two D. two room( )14. It has been five years since we began to enjoy a_spring holiday each year.A.ten-day B. ten day C. ten days